const USERNAME_OR_PASSWORD_IS_NULL = "username or password is null"
const USERNAME_ALREADY_EXISTS = "username already exists"
const USERNAME_NOT_EXISTS = "username not exists"
const PASSWORD_IS_MISTAKE = " password is mistake"
const UNAUTHORIZATION = "unauthorization"
const UNPERMISSION = "unpermission"

module.exports = {
    USERNAME_OR_PASSWORD_IS_NULL,
    USERNAME_ALREADY_EXISTS,
    USERNAME_NOT_EXISTS,
    PASSWORD_IS_MISTAKE,
    UNAUTHORIZATION,
    UNPERMISSION
}